1B19

PH AFFECTS GLU B13 SWITCHING AND SULFATE BINDING IN CUBIC INSULIN CRYSTALS (PH 5.80 COORDINATES)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.231 
  • R-Value Work: 0.189 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Crystallographic titration of cubic insulin crystals: pH affects GluB13 switching and sulfate binding.

Diao, J.

(2003) Acta Crystallogr.,Sect.D 59: 670-676

  • Primary Citation of Related Structures:  1B17, 1B18, 1B2A, 1B2B, 1B2C, 1B2D, 1B2E, 1B2F, 1B2G
  • Also Cited By: 1XW7

  • PubMed Abstract: 
  • Structures of porcine insulin crystals soaked in 1 M sodium sulfate at pH 5.00, 5.53, 5.80, 6.00, 6.16, 6.26, 6.35, 6.50, 6.98 and 9.00 have been determined at between 1.7 and 1.9 A resolution. GluB13 exhibits a single conformation at pH </= 5.80, tw ...

    Structures of porcine insulin crystals soaked in 1 M sodium sulfate at pH 5.00, 5.53, 5.80, 6.00, 6.16, 6.26, 6.35, 6.50, 6.98 and 9.00 have been determined at between 1.7 and 1.9 A resolution. GluB13 exhibits a single conformation at pH


    Related Citations: 
    • Water Structure in Cubic Insulin Crystals
      Badger, J.,Caspar, D.L.
      (1991) Proc.Natl.Acad.Sci.USA 88: 622
    • Flexibility in Crystalline Insulins
      Badger, J.
      (1992) Biophys.J. 61: 816
    • Zinc-Free Cubic Pig Insulin: Crystallization and Structure Determination
      Dodson, E.J.,Dodson, G.G.,Lewitova, A.,Sabesan, M.
      (1978) J.Mol.Biol. 125: 387
    • Structure of the Pig Insulin Dimer in the Cubic Crystal
      Badger, J.,Harris, M.R.,Reynolds, C.D.,Evans, A.C.,Dodson, E.J.,Dodson, G.G.,North, A.C.T.
      (1991) Acta Crystallogr.,Sect.B 47: 127
    • Monovalent Cation Binding in Cubic Insulin Crystals
      Gursky, O.,Li, Y.,Badger, J.,Caspar, D.L.
      (1992) Biophys.J. 61: 604
    • Conformational Changes in Cubic Insulin Crystals in the Ph Range 7-11
      Gursky, O.,Badger, J.,Li, Y.,Caspar, D.L.
      (1992) Biophys.J. 63: 1210


    Organizational Affiliation

    Institute of Molecular Biophysics, Florida State University, Tallahassee 32306, USA. diao@bilbo.bio.purdue.edu




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
PROTEIN (INSULIN A CHAIN)
A
21Sus scrofaGene Names: INS
Find proteins for P01315 (Sus scrofa)
Go to Gene View: INS
Go to UniProtKB:  P01315
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
PROTEIN (INSULIN B CHAIN)
B
30Sus scrofaGene Names: INS
Find proteins for P01315 (Sus scrofa)
Go to Gene View: INS
Go to UniProtKB:  P01315
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4

Download SDF File 
Download CCD File 
B
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.231 
  • R-Value Work: 0.189 
  • Space Group: I 21 3
Unit Cell:
Length (Å)Angle (°)
a = 78.727α = 90.00
b = 78.727β = 90.00
c = 78.727γ = 90.00
Software Package:
Software NamePurpose
X-PLORmodel building
DENZOdata reduction
SCALEPACKdata scaling
X-PLORrefinement
X-PLORphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2003-04-08
    Type: Initial release
  • Version 1.1: 2008-04-26
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance